Identify the following table

Question

What is the name of the following table^1,2 of two digit numbers?

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^{1 _{Can be found on pg. 10 of this link.}}

^{2 _{I've left some of the surrounding text for context.}}

Answer 1

It's called parker's eulerian 10X10 square., looks like it involves more combinatorics.

Answer 2

It appears to be a magic square with the rows and columns adding up to 495.

Edit: technically it's not a magic square since the diagonals don't sum to 495.